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: a crystalline essential amino acid C5H11NO2 that is one of the building blocks of plant and animal proteins
Examples of valine in a Sentence
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Challenging workouts and proper fueling will be your best muscle builders.
BCAAs
BCAAs contain three essential amino acids: leucine, isoleucine, and valine.
—Donavyn Coffey, TIME, 1 Apr. 2024
The switch of an A to a T in the genetic code for hemoglobin results in a hemoglobin protein with a valine instead of a glutamic acid at the sixth amino acid position.
—Beth Mole, Ars Technica, 8 Dec. 2023
High-quality protein is any protein that contains all of the nine essential amino acids (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine) that our bodies don’t make on their own.
—USA TODAY, 2 July 2023
These include leucine, valine, isoleucine and a handful of other amino acids your body cannot naturally produce.
—Dallas News, 15 Feb. 2022
Three substitutions were identified: L50F (in which leucine at position 50 is substituted by phenylalanine), E166A or E166V (in which glutamic acid at position 166 is substituted by alanine or valine) and L167F (in which leucine at position 167 is substituted by phenylalanine).
—William A. Haseltine, Forbes, 9 June 2022
Leucine, like valine and isoleucine, is a branched-chain amino acid.
—Dr. Keith Roach, oregonlive, 28 Nov. 2022
Branched-chain amino acids (BCAAs) are a class of three important amino acids known as leucine, isoleucine, and valine.
—Amber Smith, Discover Magazine, 22 Dec. 2022
Every scoop of Plant JYM Vegan Protein Powder contains 24 grams of protein and five grams of leucine, isoleucine and valine, stacked at the recommend 2:1:1 ratio.
—Dallas News, 15 Feb. 2022
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Word History
Etymology
borrowed from German Valin, from Valeriansäure valeric acid + -in -ine entry 2
First Known Use
1907, in the meaning defined above
Dictionary Entries Near valine
Cite this Entry
“Valine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/valine. Accessed 21 Nov. 2024.
More from Merriam-Webster on valine
Britannica.com: Encyclopedia article about valine
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